Rancho Cucamonga is a suburban city situated at the foothills of the San Gabriel Mountains in San Bernardino County, California. It is located 37 miles (60 km) east of Downtown Los Angeles. The city had a population of 165,269 in 2010 and an estimated population of 174,305 in 2014. The city experiences an average of 287 sunny days per year, compared to a national average of 205 days. Its climate is classified as warm Mediterranean, or Csa, under the Köppen climate classification system. The city's seal, which centers on a cluster of grapes, alludes to the city's agricultural history and intimate connections to wine-making.